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Finding the Fourth Proportional to 25,651.60, 38,427.18 and 22,865.20

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Solution

The fourth proportional to 25,651.60, 38,427.18 and 22,865.20 is: 34,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.60 : 38,427.18 = 22,865.20 : x
  2. Step 2: Convert to fraction form
    25,651.60/38,427.18 = 22,865.20/x
  3. Step 3: Cross multiply
    25,651.60x = 38,427.18 × 22,865.20
  4. Step 4: Simplify right side
    25,651.60x = 878,645,156.14
  5. Step 5: Solve for x
    x = 878,645,156.14/25,651.60
  6. Step 6: Final answer
    x = 34,253.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.